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National Stock Number:
5305-00-519-7831
Federal Supply Class:
5305
National Item Identification Number:
005197831
Description:
SCREW,CLOSE TOLERANCE
Detail:
A SCREW, MACHINE or SCREW, CAP, SOCKET HEAD whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 IN.) (0.025 mm) or less of a specific diameter for items (1.000 IN.) (25 mm) or less in diameter. Items over (1.000 IN.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 IN.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 IN.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.
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Manufacturer Information:
| 11909V5L5-1 | 59563 | REID PRODUCTS INC. | | HT4028L5-5 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4028L5-5 | 17446 | HUCK INTERNATIONAL, INC | | HT4028L5-5 | 73197 | HI-SHEAR CORPORATION | | HT4028L5-5 | 80539 | SPS TECHNOLOGIES, LLC | | HT4028L5-5 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | HT4028L5-5 | 97928 | HUCK INTL INC | | HT4028L5-5 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | | ST3M466V5L5-1 | 27624 | SPS TECHNOLOGIES LLC | | ST3M466V5L5-1 | 56878 | SPS TECHNOLOGIES, LLC | | ST3M466V5L5-1 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | | ST3M466V5L5-1 | 60516 | WEST COAST AEROSPACE, INC. | | ST3M466V5L5-1 | 76301 | THE BOEING COMPANY | | ST3M466V5L5-1 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | ST3M466V5L5-1 | K5673 | SPS TECHNOLOGIES LTD TJ BROOKS DIVISION |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | FASTENER LENGTH | 0.828 INCHES MINIMUM AND 0.858 INCHES MAXIMUM | | GRIP DIAMETER | 0.3115 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM | | GRIP LENGTH | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM | | HEAD DIAMETER | 0.469 INCHES MINIMUM AND 0.474 INCHES MAXIMUM | | HEAD STYLE | OVAL COUNTERSUNK | | INTERNAL DRIVE STYLE | HIGH-TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | TITANIUM ALLOY OVERALL | | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | SURFACE FINISH | 32.0 MICROINCHES GRIP | | SURFACE FINISH | 32.0 MICROINCHES THREADS | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.506 INCHES MINIMUM AND 0.556 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNJF |
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